From Longman Business Dictionarybloatwarebloat‧ware /ˈbləʊtweəˈbloʊtwer/ noun [uncountable] informalCOMPUTING1computer software with many features that are not really needed2software which uses a large amount of computer memory and which is therefore not effective or usefulDisgruntled users complained about the excessive time spent waiting for ‘bloatware’ to perform even the simplest operations.